Detailed description: 

Parts List:  90×Red Heat Shrink Connector 50×Blue Heat Shrink 20×Yellow Heat Shrink Connector 40×White Heat Shrink Connector 

Highlight description:[Sufficient Quantity] The package includes 200 heat shrink connectors. This set is specially designed for wire soldering, mechanical protection of solder joints, and waterproof. Color-coded tubes ensure you identify and select the correct size connector. [Wide Applications] A wide variety of solder-sealed heat shrink connectors can work on your boat, vehicle, engine, power tools, home, lab, audio, science projects, electronics. Solder-sealed wire connectors with molten solder ensure a secure wire connection, increased current, and an insulated watertight connection. [Sealed, Waterproof and Insulated] A variety of weld-sealed heat shrink butt connectors are made of PE material, ensures a watertight seal and prevents wire broken. Using hot melt adhesive, it has waterproof function. [Excellent Wire Contact and Ease of Use] High quality connector provides increased current and ensures less voltage drop, preventing wire failure and reducing tool equipment downtime. It provides a secure seal every time, and your wires won't slip out of the connector. [After-sales] If you have any questions, please get in touch with us, our service team will provide you with a professional and satisfactory service. Product Name: Solder Seal Wire Connector Material: PE Working temperature: -55℃-105℃ Initial shrinkage temperature: 60°C Melting onset temperature: 111°C Complete melting temperature of solder: 118°C Application: Designed for wire connection, soldering heat shrink protection and waterproofing. Red Connector: Tool Cable/Wire Size 22-18 AWG 0.5-1.0mm2 90 Counts Blue Connector: Tool Cable/Wire Size 16-14 AWG 1.5-2.5mm2 50 Counts Yellow Connector: Tool Cable/Wire Size 12-10 AWG 4.0-6.0mm2 20 Counts White Connector: Tool Cable/Wire Size 26-24 AWG 0.25-0.34mm2 40PC Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement.